CN220789012U - Production line for manufacturing soft water-based superfine fiber cattle leather - Google Patents
Production line for manufacturing soft water-based superfine fiber cattle leather Download PDFInfo
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- CN220789012U CN220789012U CN202321643103.0U CN202321643103U CN220789012U CN 220789012 U CN220789012 U CN 220789012U CN 202321643103 U CN202321643103 U CN 202321643103U CN 220789012 U CN220789012 U CN 220789012U
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- 239000000835 fiber Substances 0.000 title claims abstract description 298
- 239000010985 leather Substances 0.000 title claims abstract description 89
- 241000283690 Bos taurus Species 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 61
- 239000008234 soft water Substances 0.000 title claims abstract description 18
- 238000009283 thermal hydrolysis Methods 0.000 claims abstract description 53
- 230000007704 transition Effects 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229920001410 Microfiber Polymers 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 238000009960 carding Methods 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000009966 trimming Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 69
- 238000010009 beating Methods 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000004898 kneading Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 49
- 239000002655 kraft paper Substances 0.000 description 13
- 238000005470 impregnation Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000003475 lamination Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
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- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000003658 microfiber Substances 0.000 description 1
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- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The utility model discloses a production line for manufacturing soft water-based superfine fiber cattle leather, which comprises a cattle hide fiber net-forming machine for forming cattle hide fiber net, and a fiber proportion mixing equipment set, a carding machine, a net-laying machine, a water-jet device set, an extrusion water absorber, a dryer, a trimming rolling machine, a single-sided water-based PU impregnating machine, a thermal hydrolysis fiber device, a PU film forming machine and a post-treatment equipment set which are sequentially arranged according to the production flow of the soft water-based superfine fiber cattle leather; wherein the fiber proportioning and mixing equipment group comprises a cowhide fiber proportioning and mixing machine, a superfine fiber proportioning and mixing machine and a transition fiber proportioning and mixing machine; the cowhide fiber proportioning mixer is connected with the cowhide fiber net forming machine, the ultrafine fiber proportioning mixer and the transition fiber proportioning mixer are respectively connected with the carding machine, a net overlapping area is arranged on the cowhide fiber net forming machine, and the output end of the net overlapping area is connected with the output end of the net overlapping machine. The utility model improves the softness and the handfeel of the artificial cow leather.
Description
Technical Field
The utility model relates to the technical field of leather manufacturing equipment, in particular to a production line for manufacturing soft water-based superfine fiber cattle leather.
Background
Leather is an indispensable major production and living article in human life and is widely applied to the fields of clothing, footwear, home furnishings, automobiles, public service and the like. One type of leather that has been widely used in industrial production is imitation artificial bovine leather. The artificial ox leather is made up by using ox fibre as main raw material, proportioning chemical fibre, making it into ox fibre base cloth by using fibre lapping and water-jet treatment after lapping, and sticking PU film on one side of the ox fibre base cloth after the single-side impregnation treatment of water-based PU material.
The raw materials of the cowhide fiber used in the cowhide fiber base cloth produced by the current company are two, one is that the leftover materials of the real cowhide are utilized, and the cowhide fiber is obtained by directly adopting a mechanical cutting forming method; the other is to use leather products recovered after consumption, and the leather products are treated by a special purification process to obtain the usable cow leather fibers. The production process for manufacturing the cowhide fiber base cloth by utilizing the recycled leather has the advantages of being green, low in carbon and environment-friendly, good in air permeability and strong in leather feel, fully approved by domestic and foreign markets, and is widely applied to a plurality of occasions such as clothing, shoes, sofas and the like. Currently, the patent of the utility model which relates to the authority of the cow leather fiber base cloth produced by the company comprises a preparation process of full-penetration cow fiber Pi Jibu (patent number ZL 201910270503.3), a post-treatment process of water-based cow fiber Pi Jibu (patent number ZL 201910270574.3), a preparation process of water-penetration winding type circulating cow leather (patent number ZL 201910270199.2) and the like.
The simulated artificial cow leather produced by the production process technology of the cow leather fiber base cloth has good flexibility and hand feeling, and can reach the softness of about 35 degrees. However, for some super-soft simulated artificial cow leather with the softness exceeding 50 degrees, the existing production process has a great technical difficulty.
Therefore, the development of the artificial cow leather with the ultra-softness is a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
In order to solve the problems, the utility model provides a production line for manufacturing soft water-based superfine fiber cattle leather, and aims to further improve the softness and the handfeel of the simulated artificial cattle leather. The specific technical scheme is as follows:
a production line for manufacturing soft water-based superfine fiber cattle leather comprises a cattle hide fiber net former for forming cattle hide fiber net, and a fiber proportion mixing equipment set, a carding machine, a net laying machine, a water needling equipment set, an extrusion water absorber, a dryer, a trimming rolling machine, a single-sided water-based PU soaking machine, a thermal hydrolysis fiber equipment, a PU film forming machine and a post-treatment equipment set which are sequentially arranged according to the production flow of the soft water-based superfine fiber cattle leather; wherein the fiber proportioning and mixing equipment group comprises a cowhide fiber proportioning and mixing machine, a superfine fiber proportioning and mixing machine and a transition fiber proportioning and mixing machine; the cowhide fiber proportioning mixer is connected with the cowhide fiber lapping machine, the ultrafine fiber proportioning mixer and the transition fiber proportioning mixer are respectively connected with the carding machine, a lapping area is arranged on the cowhide fiber lapping machine, and the output end of the lapping machine is connected to the lapping area.
In the utility model, the transition fiber net layer formed by the transition fiber proportioning mixer and the carding machine, the superfine fiber net layer formed by the superfine fiber proportioning mixer and the carding machine and the cowhide fiber net layer formed by the cowhide fiber proportioning mixer and the cowhide fiber net forming machine are sequentially overlapped on the net overlapping area from bottom to top.
Preferably, the transition fiber web layer is a transition fiber web layer formed by mixing ultrafine fibers and nylon fibers, the ultrafine fiber web layer is a ultrafine fiber web layer formed by mixing ultrafine fibers and cowhide fibers, and the cowhide fiber web layer is a cowhide fiber web layer formed by cowhide fibers.
Preferably, the hydroentangling equipment set comprises a first hydroentangling machine, a second hydroentangling machine and a third hydroentangling machine which are sequentially arranged.
In the utility model, the first hydroentangling machine is a hydroentangling pre-needling machine for carrying out low-pressure hydroentangling on a laminate of a transition fiber net layer, a superfine fiber net layer and a cowhide fiber net layer; the second hydro-entangled machine is a hydro-entangled middle-entangled machine for performing middle-pressure hydro-entangled on the laminated layer after low-pressure hydro-entangled; the third hydroentangling machine is a hydroentangling machine for carrying out high-pressure hydroentangling on the laminated layers after the medium-pressure hydroentangling.
In the utility model, the post-treatment equipment group comprises a spraying machine, a three-plate printing machine and a vacuum grain sucking machine which are sequentially arranged and used for modifying the PU film surface of the cattle leather and improving the hand feeling.
Preferably, the post-processing equipment set further comprises a trimming packaging machine arranged behind the vacuum line sucking machine.
In the utility model, the thermal hydrolysis fiber equipment group comprises a cloth placing machine, a thermal hydrolysis fiber pool, an extrusion cleaning machine, a graining dryer and a cloth collecting machine which are sequentially arranged according to the thermal hydrolysis fiber flow.
In order to improve the flatness of the leather base cloth, preferably, a base cloth shaping device is further arranged between the thermal hydrolysis fiber device and the PU film forming machine.
In the utility model, the PU film forming machine is used for manufacturing the PU film layer of the cow leather, and the PU film is transferred and adhered to the cow leather fiber base cloth through release paper.
Preferably, the superfine fiber is sea-island superfine fiber which is formed by taking low-melting-point PE fiber with melting point not more than 85 ℃ as sea fiber and nylon fiber as island fiber; the thermal hydrolysis fiber tank is a thermal hydrolysis fiber tank with the temperature of hot water in the tank being 95-100 ℃.
In the utility model, a plurality of guide rollers for supporting the kraft fiber base cloth are arranged in the thermal hydrolysis fiber pool.
As a further improvement of the utility model, a thermal hydrolysis fiber accelerator is arranged in the thermal hydrolysis fiber pool, and the thermal hydrolysis fiber accelerator comprises a hanging type ultrasonic energy collecting vibration exciter arranged at the front half section position inside the thermal hydrolysis fiber pool and an elastic beater arranged at the rear half section position inside the thermal hydrolysis fiber pool and used for beating Chi Naji cloth.
The working principle of the utility model is as follows:
the transition fiber (the mixed fiber of which the components are superfine fibers and nylon fibers) mixed by the transition fiber proportioning mixer is carded into a transition fiber web by a carding machine, the superfine fiber (the mixed fiber of which the components are superfine fibers and cowhide fibers) mixed by the superfine fiber proportioning mixer is carded into a superfine fiber web by a carding machine, and the cowhide fiber (the pure cowhide fibers) mixed by the cowhide fiber proportioning mixer is carded into a cowhide fiber web by a cowhide fiber web forming machine; the transition fiber web and the superfine fiber web are overlapped by a lapping machine, then enter a lapping area of a cowhide fiber lapping machine to be overlapped to form a lamination of the transition fiber web, the superfine fiber web and the cowhide fiber web, then the lamination is subjected to hydro-entangling pre-entangling, hydro-entangling in the hydro-entangling and hydro-entangling solidification by a first hydro-entangling machine, a second hydro-entangling machine and a third hydro-entangling machine in sequence in a hydro-entangling equipment group, the lamination after the hydro-entangling is subjected to extrusion water absorption by an extrusion water absorption machine, drying by a drying machine, trimming and rolling by a trimming rolling machine to obtain cowhide grey cloth, and after the impregnation treatment and the drying treatment of a single-sided aqueous PU impregnation machine, a PU impregnation layer is formed on one side of the cowhide grey cloth close to the transition fiber layer (the impregnation layer is about 1/5-1/2 of the total thickness of the cowhide grey cloth), thus obtaining Niu Pige base cloth; after heating, placing the leather base cloth into a thermal hydrolysis fiber pool through a cloth placing machine of a thermal hydrolysis fiber device group, melting away the fusible part (low-melting PE sea fiber) of the superfine fiber in the leather base cloth in hot water at 95-100 ℃, and after the leather base cloth is discharged out of the thermal hydrolysis fiber pool, processing by an extrusion cleaning machine and a twisting dryer in the thermal hydrolysis fiber device group and winding by a cloth collecting machine, thus obtaining the loose and soft leather base cloth. Niu Pige the base cloth is wound after being subjected to needle feeding, tentering and cooling by base cloth shaping equipment, so that the flat and soft cowhide leather base cloth is formed.
The post-treatment equipment set in the production line is mainly used for carrying out decoration treatment on the PU film surface layer of the cow leather base cloth so as to further improve the appearance and the hand feeling of the cow leather base cloth.
The beneficial effects of the utility model are as follows:
firstly, the production line for manufacturing soft water-based superfine fiber cattle leather is provided with a thermal hydrolysis fiber equipment group, and the fusible part (low-melting PE sea fiber) of superfine fibers in the cattle leather base cloth is melted in hot water at 95-100 ℃ so that the superfine fibers are decomposed into fiber bundles with lighter weight and finer diameter, thereby greatly improving the softness and the handfeel of the water-based superfine fiber cattle leather base cloth.
Secondly, the production line for manufacturing the soft water-based superfine fiber cattle leather optimizes the proportion of the transition fiber layer, the superfine fiber layer and the cattle leather fiber layer with three-layer structures in the cattle leather base cloth through the fiber proportion mixing equipment group, reduces expensive fibers and cost, and ensures the ultra-strong leather feeling of the water-based superfine fiber cattle leather.
Thirdly, according to the production line for manufacturing the soft water-based superfine fiber cattle leather, the thermal hydrolysis tank is used for carrying out fiber decomposition on superfine fibers by using hot water at the temperature of 95-100 ℃, compared with other chemical fiber decomposition methods, the cattle leather fibers are not damaged, pollution is reduced, and the production line is environment-friendly.
Drawings
FIG. 1 is a schematic layout of a production line for making soft aqueous microfiber cattle leather according to the present utility model;
FIG. 2 is a schematic diagram of the structure of a thermal hydrolysis fiber tank.
In the figure: 1. a thermal hydrolysis fiber pool 2, a guide roller 3, a thermal hydrolysis fiber accelerator 4, a hanging type ultrasonic energy-collecting vibration exciter 5, an elastic beater 6, a change gear 7, an upper open type vibration excitation box, 8, an ultrasonic vibrator, 9, a lateral barrier strip, 10, a beating rotating shaft, 11, an elastic beating arm, 12, a beating disturbance leather roller, 13, a cowhide fiber base cloth, 14 and a base cloth laying machine.
In the figure: a is the water flow direction of hot water, and B is the moving direction of the base cloth.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1:
an embodiment of a production line for manufacturing soft water-based superfine fiber cattle leather according to the utility model is shown in fig. 1 to 2, and comprises a cattle hide fiber net former for forming cattle hide fiber net, and a fiber proportion mixing equipment set, a carding machine, a net laying machine, a water jet device set, an extrusion water absorber, a dryer, a trimming rolling machine, a single-sided water-based PU soaking machine, a thermal hydrolysis fiber device, a PU film forming machine and a post-treatment device set which are sequentially arranged according to the production flow of the soft water-based superfine fiber cattle leather; wherein the fiber proportioning and mixing equipment group comprises a cowhide fiber proportioning and mixing machine, a superfine fiber proportioning and mixing machine and a transition fiber proportioning and mixing machine; the cowhide fiber proportioning mixer is connected with the cowhide fiber lapping machine, the ultrafine fiber proportioning mixer and the transition fiber proportioning mixer are respectively connected with the carding machine, a lapping area is arranged on the cowhide fiber lapping machine, and the output end of the lapping machine is connected to the lapping area.
In this embodiment, the transition fiber web layer formed by the transition fiber proportioning mixer and the carding machine, the superfine fiber web layer formed by the superfine fiber proportioning mixer and the carding machine, and the kraft fiber web layer formed by the kraft fiber proportioning mixer and the kraft fiber web forming machine are sequentially overlapped on the web overlapping area from bottom to top.
Preferably, the transition fiber web layer is a transition fiber web layer formed by mixing ultrafine fibers and nylon fibers, the ultrafine fiber web layer is a ultrafine fiber web layer formed by mixing ultrafine fibers and cowhide fibers, and the cowhide fiber web layer is a cowhide fiber web layer formed by cowhide fibers.
Preferably, the hydroentangling equipment set comprises a first hydroentangling machine, a second hydroentangling machine and a third hydroentangling machine which are sequentially arranged.
In this embodiment, the first hydroentangling machine is a hydroentangling pre-needling machine for low-pressure hydroentangling a laminate of a transition fiber web layer, a superfine fiber web layer and a kraft fiber web layer; the second hydro-entangled machine is a hydro-entangled middle-entangled machine for performing middle-pressure hydro-entangled on the laminated layer after low-pressure hydro-entangled; the third hydroentangling machine is a hydroentangling machine for carrying out high-pressure hydroentangling on the laminated layers after the medium-pressure hydroentangling.
In this embodiment, the post-treatment equipment set includes a spraying machine, a three-plate printing machine and a vacuum pattern suction machine which are sequentially arranged and used for modifying the PU film surface of the cattle leather and improving the hand feeling.
Preferably, the post-processing equipment set further comprises a trimming packaging machine arranged behind the vacuum line sucking machine.
In this embodiment, the thermal hydrolysis fiber equipment set includes cloth placing machine, thermal hydrolysis fiber pool, extrusion cleaning machine, rubbing dryer and cloth collecting machine that set gradually according to thermal hydrolysis fiber's flow.
In order to improve the flatness of the leather base cloth, preferably, a base cloth shaping device is further arranged between the thermal hydrolysis fiber device and the PU film forming machine.
In this embodiment, the PU film forming machine is configured to make a PU film layer of kraft leather, and transfer and paste the PU film to the kraft fiber base fabric through release paper.
Preferably, the superfine fiber is sea-island superfine fiber which is formed by taking low-melting-point PE fiber with melting point not more than 85 ℃ as sea fiber and nylon fiber as island fiber; the thermal hydrolysis fiber tank is a thermal hydrolysis fiber tank with the temperature of hot water in the tank being 95-100 ℃.
In this embodiment, a plurality of guide rollers 2 for supporting the kraft fiber base cloth are disposed in the thermal hydrolysis tank 1.
As a further improvement of the embodiment, a thermal hydrolysis fiber accelerator 3 is arranged in the thermal hydrolysis fiber tank 1, and the thermal hydrolysis fiber accelerator 3 comprises a hanging type ultrasonic energy collecting vibration exciter 4 arranged at the position of the front half section inside the thermal hydrolysis fiber tank 1 and an elastic beater 5 arranged at the position of the rear half section inside the thermal hydrolysis fiber tank 1 and used for beating Chi Naji cloth.
The hanging type ultrasonic energy-collecting vibration exciter 4 comprises a change gear 6 hung on the cow leather fiber base cloth 13, an upper open type vibration excitation box 7 hung on the change gear 6 through a hanging rod and positioned below the cow leather fiber base cloth 13, and an ultrasonic vibrator 8 arranged inside the upper open type vibration excitation box 7; the change gear 6 is a free rotation change gear, and the change gear 6 is longitudinally limited through a lateral barrier 9 fixedly arranged.
Preferably, the upper opening of the upper open excitation box 7 is close to the lower surface of the kraft fiber base cloth 13.
Preferably, the number of the hanging type ultrasonic energy-collecting vibration exciters 4 is provided with a plurality of groups which are arranged at intervals.
The elastic flappers 5 comprise flapping rotating shafts 10 which are respectively arranged at the upper and lower positions of the kraft fiber base cloth 13, elastic flapping arms 11 which are arranged on the flapping rotating shafts 10, and flapping disturbance leather rollers 12 which are connected with cantilever ends of the elastic flapping arms 11. When the device works, the beating disturbance leather rollers 12 on the beating rotating shafts 10 at the upper and lower positions of the cowhide fiber base cloth 13 are respectively and intermittently beaten on the upper and lower surfaces of the cowhide fiber base cloth 13, and the rotating directions of the upper and lower beating rotating shafts 10 are opposite.
Wherein the number of the elastic flappers 5 is provided with a plurality of groups and are arranged at intervals.
Preferably, the number of the beating disturbing leather rollers 12 on each beating shaft 10 is plural and uniformly arranged in the circumferential direction.
In this embodiment, the hot water in the thermal hydrolysis tank 1 is flowing hot water in the opposite direction to the moving direction of the kraft fiber base cloth.
The hanging type ultrasonic energy-collecting vibration exciter 4 is arranged, so that ultrasonic energy can be more intensively acted on the kraft fiber base cloth 13, and the defibration of superfine fibers in the kraft fiber base cloth 13 is accelerated; by arranging the elastic beater 5, the separation of the sea fiber in the superfine fiber can be accelerated by the mutual cooperation of the elastic beater and the counter-current hot water flow; thereby greatly improving the efficiency of thermal hydrolysis of the superfine fibers.
The working principle of this embodiment is as follows:
the transition fiber (the mixed fiber of which the components are superfine fibers and nylon fibers) mixed by the transition fiber proportioning mixer is carded into a transition fiber web by a carding machine, the superfine fiber (the mixed fiber of which the components are superfine fibers and cowhide fibers) mixed by the superfine fiber proportioning mixer is carded into a superfine fiber web by a carding machine, and the cowhide fiber (the pure cowhide fibers) mixed by the cowhide fiber proportioning mixer is carded into a cowhide fiber web by a cowhide fiber web forming machine; the transition fiber web and the superfine fiber web are overlapped by a lapping machine, then enter a lapping area of a cowhide fiber lapping machine to be overlapped to form a lamination of the transition fiber web, the superfine fiber web and the cowhide fiber web, then the lamination is subjected to hydro-entangling pre-entangling, hydro-entangling in the hydro-entangling and hydro-entangling solidification by a first hydro-entangling machine, a second hydro-entangling machine and a third hydro-entangling machine in sequence in a hydro-entangling equipment group, the lamination after the hydro-entangling is subjected to extrusion water absorption by an extrusion water absorption machine, drying by a drying machine, trimming and rolling by a trimming rolling machine to obtain cowhide grey cloth, and after the impregnation treatment and the drying treatment of a single-sided aqueous PU impregnation machine, a PU impregnation layer is formed on one side of the cowhide grey cloth close to the transition fiber layer (the impregnation layer is about 1/5-1/2 of the total thickness of the cowhide grey cloth), thus obtaining Niu Pige base cloth; after heating, placing the leather base cloth into a thermal hydrolysis fiber pool through a cloth placing machine of a thermal hydrolysis fiber device group, melting away the fusible part (low-melting PE sea fiber) of the superfine fiber in the leather base cloth in hot water at 95-100 ℃, and after the leather base cloth is discharged out of the thermal hydrolysis fiber pool, processing by an extrusion cleaning machine and a twisting dryer in the thermal hydrolysis fiber device group and winding by a cloth collecting machine, thus obtaining the loose and soft leather base cloth. Niu Pige the base cloth is wound after being subjected to needle feeding, tentering and cooling by base cloth shaping equipment, so that the flat and soft cowhide leather base cloth is formed.
The post-treatment equipment set in the production line is mainly used for carrying out decoration treatment on the PU film surface layer of the cow leather base cloth so as to further improve the appearance and the hand feeling of the cow leather base cloth.
Example 2:
the production line for manufacturing soft water-based superfine fiber cattle leather is adopted for manufacturing soft water-based superfine fiber cattle leather, wherein the mass content of superfine fiber in a transition fiber layer is 20%, and the mass content of nylon fiber is 80%; the mass content of the superfine fiber in the superfine fiber layer is 20 percent, and the mass content of the cowhide fiber is 80 percent; the mass content of the cowhide fiber in the cowhide fiber layer is 100%; the softness of the prepared water-based superfine fiber cattle leather is 50 degrees.
Example 3:
the production line for manufacturing soft water-based superfine fiber cattle leather is adopted in the embodiment 1, the mass content of superfine fibers in the transition fiber layer is 50%, and the mass content of nylon fibers is 50%; the mass content of the superfine fiber in the superfine fiber layer is 55 percent, and the mass content of the cowhide fiber is 45 percent; the mass content of the cowhide fiber in the cowhide fiber layer is 100%; the softness of the prepared water-based superfine fiber cattle leather is 65 degrees.
Example 4:
the soft aqueous superfine fiber cattle leather is manufactured by adopting the production line for manufacturing soft aqueous superfine fiber cattle leather of the embodiment 1, wherein the mass content of superfine fiber in a transition fiber layer is 80 percent, and the mass content of nylon fiber is 20 percent; the mass content of the superfine fiber in the superfine fiber layer is 90 percent, and the mass content of the cowhide fiber is 10 percent; the mass content of the cowhide fiber in the cowhide fiber layer is 100%; the softness of the prepared water-based superfine fiber cattle leather is 85 degrees.
Example 5:
the preparation process of the hydroentangled winding type circulating cattle leather (patent number ZL 201910270199.2) is adopted in the prior patent of the company to prepare the hydroentangled winding type circulating cattle leather, and the softness of the hydroentangled winding type circulating cattle leather is 35 degrees.
As is clear from comparison of examples 2, 3 and 4 with example 5, the softness of the aqueous ultrafine fiber bovine leather was greatly improved compared with that of the hydroentangled endless bovine leather.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The production line for manufacturing the soft water-based superfine fiber cattle leather is characterized by comprising a cattle hide fiber net former for forming cattle hide fiber net, and a fiber proportion mixing equipment set, a carding machine, a net laying machine, a water needling equipment set, an extrusion water absorber, a dryer, a trimming rolling machine, a single-sided water-based PU soaking machine, a thermal hydrolysis fiber equipment, a PU film forming machine and a post-treatment equipment set which are sequentially arranged; wherein the fiber proportioning and mixing equipment group comprises a cowhide fiber proportioning and mixing machine, a superfine fiber proportioning and mixing machine and a transition fiber proportioning and mixing machine; the cowhide fiber proportioning mixer is connected with the cowhide fiber lapping machine, the ultrafine fiber proportioning mixer and the transition fiber proportioning mixer are respectively connected with the carding machine, a lapping area is arranged on the cowhide fiber lapping machine, and the output end of the lapping machine is connected to the lapping area.
2. The production line for manufacturing soft type aqueous ultrafine fiber cattle leather according to claim 1, wherein the transition fiber net layer formed by the transition fiber proportioning mixer and the carding machine, the ultrafine fiber net layer formed by the ultrafine fiber proportioning mixer and the carding machine and the cattle hide fiber net layer formed by the cattle hide fiber proportioning mixer and the cattle hide fiber net forming machine are sequentially overlapped on the net overlapping area from bottom to top.
3. The production line for manufacturing soft type aqueous ultrafine fiber cattle leather according to claim 2, wherein the transition fiber net layer is a transition fiber net layer formed by mixing ultrafine fibers with nylon fibers, the ultrafine fiber net layer is an ultrafine fiber net layer formed by mixing ultrafine fibers with cowhide fibers, and the cowhide fiber net layer is a cowhide fiber net layer formed by cowhide fibers.
4. The production line for manufacturing soft type water-based ultrafine fiber cattle leather according to claim 2, wherein the hydroentangling equipment set comprises a first hydroentangling machine, a second hydroentangling machine and a third hydroentangling machine which are sequentially arranged.
5. The production line for manufacturing soft waterborne superfine fiber cattle hide according to claim 4, wherein the first hydroentangling machine is a hydroentangling pre-needling machine for carrying out low-pressure hydroentangling on a laminate of a transition fiber web layer, a superfine fiber web layer and a cattle hide fiber web layer; the second hydro-entangled machine is a hydro-entangled middle-entangled machine for performing middle-pressure hydro-entangled on the laminated layer after low-pressure hydro-entangled; the third hydroentangling machine is a hydroentangling machine for carrying out high-pressure hydroentangling on the laminated layers after the medium-pressure hydroentangling.
6. The production line for manufacturing soft type water-based superfine fiber cattle leather according to claim 1, wherein the post-treatment equipment group comprises a spraying machine, a three-plate printer and a vacuum pattern sucking machine which are sequentially arranged for PU film surface modification and hand feeling improvement of the cattle leather.
7. The production line for manufacturing soft type water-based ultrafine fiber cattle leather according to claim 3, wherein the thermal hydrolysis fiber equipment group comprises a cloth placing machine, a thermal hydrolysis fiber tank, an extrusion cleaning machine, a texture kneading dryer and a cloth collecting machine which are sequentially arranged according to the thermal hydrolysis fiber process.
8. The production line for manufacturing soft type aqueous ultrafine fiber cattle leather according to claim 7, wherein the ultrafine fibers are sea-island type ultrafine fibers composed of sea fibers and island fibers, the sea fibers in the sea-island type ultrafine fibers are low-melting-point PE fibers with a melting point of not more than 85 ℃, and the island fibers in the sea-island type ultrafine fibers are nylon fibers; the thermal hydrolysis fiber tank is a thermal hydrolysis fiber tank with the temperature of hot water in the tank being 95-100 ℃.
9. The production line for manufacturing soft type water-based superfine fiber cattle leather according to claim 8, wherein a plurality of guide rollers for supporting the cattle hide fiber base cloth are arranged in the thermal hydrolysis tank.
10. The production line for manufacturing soft water-based superfine fiber cattle leather according to claim 9, wherein a thermal hydrolysis fiber accelerator is arranged in the thermal hydrolysis fiber pool and comprises a hanging type ultrasonic energy-collecting vibration exciter arranged at the front half section position inside the thermal hydrolysis fiber pool and an elastic beater arranged at the rear half section position inside the thermal hydrolysis fiber pool and used for beating Chi Naji cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321643103.0U CN220789012U (en) | 2023-06-27 | 2023-06-27 | Production line for manufacturing soft water-based superfine fiber cattle leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321643103.0U CN220789012U (en) | 2023-06-27 | 2023-06-27 | Production line for manufacturing soft water-based superfine fiber cattle leather |
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